Respiratory System Physical Examination
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Transcript of Respiratory System Physical Examination
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RESPIRATORY SYSTEM
Dr Saneesh P JSultan Qaboos University Hospital, Muscat
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Introduction
Acute Shortness of BreathChest pain
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Cardinal symptoms of respiratory disease
coughsputum productionhaemoptysischest painbreathlessnesswheeze
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History taking
LocationQualityQuantity or severityTimingSetting in which it occursAggravating or relieving factorsAssoc manifestations; addl relevant features of each symptom
SACRED SEVEN
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BREATHLESSNESS
Breathlessness (dyspnoea) is an undue awareness of breathing
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Shortness of breath
How fast did it happen?Do you have chest pain?Does the pain change with respiration (pleuritic) ?Does your SOB gets better or worse with walking?Does your breathing pattern improve when you sit up?
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Shortness of breath
Do you have a history of asthma or emphysema (COPD)?Have you had clots in your legs?Have you been hit in the chest?Are you sleepy during the day?
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Causes of SOB?
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Breathlessness when lying flat Orthopnoea Usually associated with left ventricular failure. It can also be a feature of respiratory muscle weakness, large pleural effusion, massive ascites, morbid obesity or any severe lung disease.
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Breathlessness that wakes the patient from sleep
Paroxysmal nocturnal dyspnoeatypical of asthma and left ventricular failure
Patients with asthma typically wake between 3 and 5 a.m. and have associated wheezing. Breathlessness worse on waking is more typical of COPD and may improve after coughing up sputum.
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Patients with exercise-induced asthma may notice that the breathlessness continues to worsen for 5–10 minutes after stopping activity.
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If you suspect asthma, ask about exposure to allergens, smoke, perfumes, fumes, cold air or drugs, e.g. aspirin, non-steroidal anti-inflammatory drugs. Common allergens are house dust mite (shaking bedding, hoovering), animals (cats, dogs, horses) and grass pollens (mowing the lawn, the ‘hayfever season’) and tree pollens.
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Breathlessness improving at weekends or holidays
Occupational asthma
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Breathlessness on sitting up with relief on lying down
Platypnoea Right-to-left shunting through a patent foramen ovale, atrial septal defect or a large intrapulmonary shunt.
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Breathlessness when lying on one side Trepopnoeadue to unilateral lung disease (patient prefers the healthy lung down), dilated cardiomyopathy (patient prefers right side down) or tumours compressing central airways and major blood vessels.
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Etiology of Dyspnoea
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SOB grading
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COPD is characterised by airflow obstruction that is usually progressive and not fully reversible. It is defined as a reduced post-bronchodilator forced expiratory volume in 1 second (FEV1)/forced vital capacity (FVC) ratio of <70%. Asthma is reversible airways obstruction
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Chest pain
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Chest pain - History
SiteRadiationmode of onsetdurationseverityaggravating/relieving factors including the effects of breathing and movement
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Pleural pain
SharpStabbing Intensified by inspiration or coughingIrritation of the parietal pleura of the upper six ribs causes localised pain. Irritation of the parietal pleura overlying the central diaphragm innervated by the phrenic nerve is referred to the neck or shoulder tip.
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Pleural pain
The lower six intercostal nerves innervate the parietal pleura of the lower ribs and the outer diaphragm, and pain from these sites may be referred to the upper abdomen. Common causes of pleuritic chest pain are
pulmonary embolismpneumoniapneumothorax fractured ribs
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Chest wall pain
Sudden and localised after vigorous coughing or direct trauma is characteristic of rib fractures or intercostal muscle injury. Prevesicular herpes zoster and intercostal nerve root compression can cause chest pain in a thoracic dermatomal distribution.
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Chest wall pain
Chest wall pain due to direct invasion by lung cancer, mesothelioma or rib metastasis is typically dull, aching or gnawing, unrelated to respiration, progressively worsens and disrupts sleep. Pancoast’s tumour of the lung apex may involve the first rib and the brachial plexus, causing referred pain down the medial side of the ipsilateral arm.
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Mediastinal pain
Central, retrosternal and unrelated to respiration or cough. Irritant dusts or infection of the tracheobronchial tree produce a raw, burning retrosternal pain worse on coughing. A dull, aching retrosternal pain that disturbs sleep is a feature of cancer invading mediastinal lymph nodes or an enlarging thymoma.
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Chest pain
Massive pulmonary thromboembolism acutely increasing right ventricular pressure may produce central chest pain similar to myocardial ischaemia
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Physical Examination
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Respiratory System
Wash your handsIntroduce yourself
Patient detailsExplain/consent
Scene survey
WIPES
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Gene
ral A
sses
smen
t
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Respiratory RateTachypnoeaBradypnoeaHyperpnoea
Breathing patternsHyperventilation
Kussmaul’s breathingHypoventilationPeriodic breathing (Cheyne–Stokes respiration)
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Obstructive sleep apnoea/ hypopnoea syndrome (OSAHS)
combination of excessive daytime sleepiness and recurrent upper airway obstruction with sleep fragmentation caused by upper airway obstruction from collapse of the retropharynx
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A) Hyperinflated chest with intercostal indrawing. (B) Kyphoscoliosis.
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(C) Pectus carinatum with prominent Harrison’s sulcus (arrow). (D) Pectus excavatum.
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Trail sign: Sternomastoid prominence on the side of tracheal shift
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Chest expansion
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Reduced expansion On one side
pleural effusionlung or lobar collapsepneumothorax anunilateral fibrosis
Paradoxical inward movement
diaphragmatic paralysis severe COPD
Flail chest
Bilateralsevere COPD diffuse pulmonary fibrosis
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Subcutaneous emphysema Mediastinal emphysema occurs if air tracks into the mediastinum and is associated with a characteristic systolic ‘crunching’ sound on auscultating the precordium (Hamman’s sign). Tenderness over the costal cartilages is found in the costochondritis of Tietze’s syndrome.Localised rib tenderness can be found over areas of pulmonary infarction or fracture.
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Percussion
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Kronig’s isthmus & Grocco’s triangle
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Ewart’s signDullness below the left scapula – large pericardial effusion
Conner’s signDullness to percussion below the right scapula – large pericardial effusion
Kellock’s signFeeling increased rib vibration in the anterior chest to percussion posteriorly – pleural effusion
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D’Amato’s signChange in percussible dullness with change in position – pleural effusion
Skodaic hyper-resonanceHyper-resonance just above an area of dullness – a useful sign of pleural effusion
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Auscultation
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Auscultation
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Auscultation
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Auscultation
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D’Espine’s sign
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D’Espine’s signImportant sign of a posterior mediastinal massAt the level of mid-scapula (about T5) – listen over the vertebral spinous process and on either side of the vertebral column. Normally the lateral sounds are louder and more distinct.When the upper airway sounds are of greater intensity than the corresponding lateral lung sounds – implies a continuity (a mass) between a mainstem bronchus and vertebra
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Special tests
Post-tussive RalesLung abscess
Egophony (Goat sound)“E” to “A” – pulmonary consolidation
Whisper pectoriloquy“sixty-six whiskeys, please”Consolidation
BronchophonyConsolidation/compressed lung
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Coin test for Pneumothorax
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PUTTING IT ALL TOGETHER
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Note the patient’s general appearance and demeanour. Look for central cyanosis of the lips and tongue.Examine the skin for rashes and nodules.Listen for hoarseness and stridor. Examine the hands for finger clubbing, peripheral cyanosis and tremor.
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Measure the blood pressure.Examine the neck for raised JVP and cervical lymphadenopathy. Record the respiratory rate.Observe the breathing pattern, and look for use of accessory muscles.
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Auscultation
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Bedside Clinics
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Lab Investigations
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Peak Flow Meter
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Chest X ray
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Chest X ray
Normal Chest x ray
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Chest X ray
Pleural effusion (Left)
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Chest X ray
Pneumothrorax
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Chest X ray
Pneumonia - consolidation
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Pleural Effusion Consolidation
Tracheal deviation Contralateral None
Fremitus Decreased Increased
Percussion Dull Dull
Breath sounds Decreased Decreased
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Emphysema Pneumothorax
Tracheal deviation None Contralateral
Fremitus Decreased Decreased
Percussion Hyper-resonant Hyper-resonant
Breath sounds Crackles Decreased
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Thank you